28718638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{15131}}^1$

素因数の和:15219

約数の個数: 16

約数和(自身を含む): 47030256

約数和(自身を除く): 18311618

約数列:

[1, 2, 13, 26, 73, 146, 949, 1898, 15131, 30262, 196703, 393406, 1104563, 2209126, 14359319, 28718638]

約数ペア:

[(1, 28718638), (2, 14359319), (13, 2209126), (26, 1104563), (73, 393406), (146, 196703), (949, 30262), (1898, 15131)]